簡介
pip類似RedHat里面的yum,安裝Python包非常方便。本節詳細介紹pip的安裝、以及使用方法
方案一
wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py
pip -V #查看pip版本
方案二
1、pip下載安裝
1.1 下載pip
命令:wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate
1.2 pip安裝
命令:tar -xzvf pip-1.5.4.tar.gz
命令:cd pip-1.5.4
命令: python setup.py install
2. pip使用詳解
2.1 pip安裝包
命令:pip install SomePackage
結果:
[...]
Successfully installed SomePackage
2.2 pip查看已安裝的包
命令:pip show --files SomePackage
結果:
Name: SomePackage
Version: 1.0
Location: /my/env/lib/pythonx.x/site-packages
Files:
../somepackage/__init__.py
[...]
2.3 pip檢查哪些包需要更新
命令:pip list --outdated
結果:
SomePackage (Current: 1.0 Latest: 2.0)
2.4 pip升級包
命令:pip install --upgrade SomePackage
結果:
[...]
Found existing installation: SomePackage 1.0
Uninstalling SomePackage:
Successfully uninstalled SomePackage
Running setup.py install for SomePackage
Successfully installed SomePackage
2.5 pip卸載包
命令:pip uninstall SomePackage
結果:
Uninstalling SomePackage:
/my/env/lib/pythonx.x/site-packages/somepackage
Proceed (y/n)? y
Successfully uninstalled SomePackage
3. pip使用實例
命令:pip install redis
3.2 卸載redis
命令:pip uninstall redis
結果:
Uninstalling redis:
/usr/lib/python2.6/site-packages/redis-2.9.1-py2.6.egg-info
.....省略一些內容....
Proceed (y/n)? y
Successfully uninstalled redis
3.3 查看待更新包
pip list --outdate
pygpgme (Current: 0.1 Latest: 0.3)
pycurl (Current: 7.19.0 Latest: 7.19.3.1)
iniparse (Current: 0.3.1 Latest: 0.4)
4. 常見錯誤
4.1 ImportError No module named setuptools
參考: http://www.cnblogs.com/owenma/p/7802973.html
5. pip參數解釋
# pip --help
Usage:
pip <command> [options]
Commands:
install 安裝包.
uninstall 卸載包.
freeze 按着一定格式輸出已安裝包列表
list 列出已安裝包.
show 顯示包詳細信息.
search 搜索包,類似yum里的search.
wheel Build wheels from your requirements.
zip 不推薦. Zip individual packages.
unzip 不推薦. Unzip individual packages.
bundle 不推薦. Create pybundles.
help 當前幫助.
General Options:
-h, --help 顯示幫助.
-v, --verbose 更多的輸出,最多可以使用3次
-V, --version 現實版本信息然后退出.
-q, --quiet 最少的輸出.
--log-file <path> 覆蓋的方式記錄verbose錯誤日志,默認文件:/root/.pip/pip.log
--log <path> 不覆蓋記錄verbose輸出的日志.
--proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.
--timeout <sec> 連接超時時間 (默認15秒).
--exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.
--cert <path> 證書.